Biological properties, degradation and absorption of collagen sponges in vivo
Chi Yan-yan, Le Yao-jin, Liu Xu-zhao, Li Qi, Lei Jing, Tang Shun-qing
Chinese Journal of Tissue Engineering Research . 2014, (34): 5515 -5519 .  DOI: 10.3969/j.issn.2095-4344.2014.34.018